Spring support



- 1,584,836 J. o. BOWERS SPRING SUPPORT Original Filed April 7 1923 gm q 055 /72 50/145174 arrow,

Patented May 18, 192%.

JOSEPH D. BOWEHS, 0F BLUEFIELD, EVEST VIRGINIA.

SIPEIIZ'G SUPPORT.

Application filed April '7, 1923,

The present invention relates to a spring support forv a vehicle and has for its principal object to provide a combined spring and shock absorber.

Another object of the invention is to provide a shock absorber which may. he adjusted so as to accommodate the load carried by the vehicle.

Another important object of the invention is to provide a device or this naturewhich will be simple and eiiicient in construction, reliable in operation, comparatively inexpensive to manufacture, durable, and well adapted to the purpose for which itis designed.

l ith the above and numerous other objects in view as will appear as the description progresses, the invention resides in certain novel features of construction, and the combination and arrangement of parts as will be hereinafter more fully described and claimed.

In the accompanying drawings forming apart of this specification and in which like numerals are employed to designate corresponding parts throughout the same:

Figure 1 is a side elevation of a vehicle chassis showing my device mounted in associationtherewith, and I Figure 2 is an enlarged vertical sectional View talten through the device embodying my invention.

Referring to the drawing'in detail it will be seen that 1 designates chassis of a vehicle which may be of any preferred construction. The levers 2 are tulcrumed to this chassis adjacent one end. it is to be noted that these levers are formed with the curved poi tions 3 and are tnlcrumed at e intermediate their curved portions. The lever which is fulcrumed to the rear of the vehicle will support the axle at the front of the vehicle and vice versa as is evident from an inspection of Figure 1. There are an equal number of cylindrical casings 5 with the levers 2 Each lever is associated with one of the cylindrical casings 5 having its end closer to its fulcrum pivotally attached to a link 6. A. partition 7 having a valve seat centrally disposed therein is positioned in each cylindrical casing 5. adjacent the upper end thereor" and forms acompartment for glyc erine or oil or any other suitable'liquidr A valve '8 is associated with the valve seat of the partition 7 and is preferably formed integral with a tubular valve stem 9 termi- Serial 3T0. 630.57%. Renewed November 4, 1925.

listin at its upper end in a flange of annular construction 10. A needle valve 11 of the screw type is threadedly mounted in the top of the cylindrical casing 5 for engage ment with the upper opening of the tubular valve stem 9 so that the valve 8 may he closed completely or only partially closed as may he desired. A piston 12 is adapted to reciprocate in the other portion of the cylinder 5 and is fixed to apiston rot l3 movahle through the cap 14 threadedly mounted on the lower end of the cylinder. 'l he lower end of this piston rod 18 is pivotally at tached to the link 6. 7

A. compressible coil spring 15 is disposed in t 1e cylinder 5 between the piston 12 and the cap 14- thus normally holding the piston in a raised position as illustrated in Figure 2; As weight is placed upon the vehicle this spring 15 will be compressed as is evident. Vvhen the spring 15 is compressed by the piston 12 moving from the partition 7 the valve 8 willdrop to an open position allowing the liquid in the upper compartment to flow on top of the piston 12. lVh n the spring 15 expands and tends to compress the liquid it will be forced slowly back into the upper compartment and the piston 12 is thus caused to move to its original position slowly without any undesirable shocks. The flow oi the liquid back into the upper coinpartment may be regulated at the end of the upward stroke of the piston 12 depending upon the adjustment made ly he needle valve '11.

Although I have describedniy invention with a certaindegree of particularity it is to be understood that numerous changes in the details of construction and in the co1nbination and arrangement of parts may be resorted to without oeparting from the spirit of the invention as hereinafter claimed.

Having thus described my invention What I claim as new is 1. A device of the class described including a closed cylinder adapted to receive a quantity of liquid, a partition disposed itermeciatcly in the cylinder and provided 105 with an opening forming a va ve seat, a valve associated-with the valve seat, a tubular valve stem mounted on the valve and slidable through the opening in the partition, and a needle valve adjustably mounted 1m in one end of the cylinder for association with the tubular valve stem, and a spring jacent the partition and said valve opening toward the piston.

2. A device of the class described inelnd mg a closed cylinder adapted to receive a quantity of liquid, a partition disposed interinediatel r in the cylinder and provided with an opening' extending tliei'etlii'migli forming; a valve seat, a piston niovahly mounted in the q linder, a spring tending tr hold the piston adjacent the part tion, a valve associated with the valve and adapted to open by moving toward the piston, a hollow valve stem mounted on the valve and extending through the opening of the partition and provided with a liange on its end, a ne die valve threaded through one end of the ejv'linder and adapted to engage the hollow valve stem for closing the same vhen the valve is closed )ll its seat.

:3. A device of the class deserihet includ- :eton

ing a cylinder having one end eonsl'rm-led to l'orin an opening having th eads, a needle valve. threaded in said opening and 0&1 tending into the cylinder, a partition disposed iZ1tQ1'l1lQLll2lt0l in the e v'linder and provided with an opening 'l'orinin a' a valve Seat, a piston movable in the ev dei' on the opposite side the partition :h' an the needle valve, :2 vzlve as oeiated with the valve seat movable toward the platen fi'lll d: used hollow valve stem exieiiaii'ig zhioi'gi the opening in th partition and atiaz-ne'l to the *ztlvo and having a stop llange l'orim-d on end adjacent the needle valve spring 11 the cylinder 1. l the piston valve l is brought to a closed po t. tion the end (it the tn valve for closing the and for the purpose Hiflt. ln testinion fi'liti he tau 

